JP2010522105A5 - Method for forming liquid pattern of printing droplet and droplet deposition apparatus - Google Patents

Claims (4)

A plurality of continuous liquid streams, which are shredded into a plurality of streams of printing and non-printing droplets by corresponding droplet formation transducers, to which corresponding droplet formation energy pulse sequences are applied Using a droplet discharge device that discharges at a stream velocity v _d from a plurality of nozzles having effective diameters D _n arranged at nozzle intervals S _n along the direction of the array, according to liquid pattern data, to a receiving medium A method of forming a liquid pattern of colliding printing drops comprising:
Non-printing droplet formation energy pulse is applied in unit time τ ₀ to form non-printing droplet, and large droplet time τ _m is applied printing droplet forming energy pulse for printing droplet Forming the large droplet time to be m times the unit time, that is, τ _m = mτ ₀ , m ≧ 2;
Forming the corresponding plurality of droplet formation energy pulse sequences to form non-printing droplets and printing droplets according to the liquid pattern data;
The corresponding drop formation energy pulse sequence applied to the adjacent drop formation transducers such that the print drops formed in the adjacent drop stream are not aligned along the nozzle array direction Shifting substantially in time,
A method characterized by comprising. A plurality of continuous liquid streams that are shredded into a plurality of streams of printing and non-printing droplets by the corresponding droplet formation transducers to which the corresponding droplet formation energy pulse sequences are applied, Liquid pattern data using a droplet discharge device which discharges at a stream velocity v _d in the direction of a stream from a plurality of nozzles having effective diameters D _n arranged at nozzle intervals S _n along the direction of the nozzle array A method of forming a liquid pattern of printing drops which strike the receiving medium in response to
A droplet for printing is formed by applying a droplet forming energy pulse for printing in unit time τ _0, and a droplet for non printing is formed by applying a droplet forming energy pulse for non-printing for large particle droplet time τ _m Forming the large droplet time to be m times the unit time, that is, τ _m = mτ ₀ , m ≧ 2;
Forming the corresponding plurality of droplet formation energy pulse sequences to form non-printing droplets and printing droplets according to the liquid pattern data;
Applied to adjacent droplets form transducer, the corresponding drop forming energy pulse sequences, only temporally substantially shift time shift amount t _s, the time shift amount is one unit drop time tau ₀ Part q, t _s = qτ ₀ , 0.2 ≦ q ≦ 0.8,
Setting the time shift amount of the time shift amount t _{s to be} a part q of the unit droplet time τ ₀ such that t _s = qτ ₀ , 0.2 ≦ q ≦ 0.8;
A method characterized by comprising . The method according to claim 2 , wherein
The method wherein the multiplier m is an integer of 2, 3, 4 or 5 . The nozzle spacing S along the nozzle array direction _n Lined up, effective diameter D _n From a plurality of nozzles having a plurality of continuous liquid streams, in the direction of the stream, at a stream velocity v _s A droplet discharger that discharges by
A plurality of corresponding droplet formation transducers, wherein corresponding plurality of droplet formation energy pulse sequences are applied to generate non-printing droplets and printing droplets having substantially different volumes;
With respect to the receiving substrate, the droplet discharger in the printing direction, printing speed v _PM Relative movement device adapted to be moved by
Non-printing droplet time τ _np Non-printing droplet formation energy pulse and printing droplet time τ _p A droplet formation energy pulse consisting of a droplet formation energy pulse for printing within the liquid droplet data generation unit according to the liquid pattern data, the non-printing droplet time being substantially different from the printing droplet time A controller thereby causing the non-printing drop volume to be substantially different from the printing drop volume,
A droplet deflection device adapted to deflect printing and non-printing droplets to follow different flight paths according to the substantially different volumes of the printing and non-printing droplets.
A droplet deposition apparatus for depositing a patterned liquid layer on a receiving substrate, comprising:
The controller further substantially shifts in time the corresponding drop formation energy pulse sequence applied to the adjacent drop formation transducers to form the printing liquid formed in the adjacent drop stream. A droplet deposition apparatus, characterized in that it is adapted to prevent droplets from being aligned along the direction of the nozzle array.